423883449 has 60 divisors (see below), whose sum is σ = 708413860. Its totient is φ = 252331200.

The previous prime is 423883417. The next prime is 423883477. The reversal of 423883449 is 944388324.

It can be written as a sum of positive squares in 2 ways, for example, as 31843449 + 392040000 = 5643^2 + 19800^2 .

It is not a de Polignac number, because 423883449 - 2⁵ = 423883417 is a prime.

It is a super-2 number, since 2×423883449² = 359354356672271202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423883409) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 597507 + ... + 598215.

Almost surely, 2^423883449 is an apocalyptic number.

It is an amenable number.

423883449 is a deficient number, since it is larger than the sum of its proper divisors (284530411).

423883449 is a wasteful number, since it uses less digits than its factorization.

423883449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 784 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 423883449 is about 20588.4299789955. The cubic root of 423883449 is about 751.1883082370.

The spelling of 423883449 in words is "four hundred twenty-three million, eight hundred eighty-three thousand, four hundred forty-nine".